2090680 has 16 divisors (see below), whose sum is σ = 4704120. Its totient is φ = 836256.

The previous prime is 2090651. The next prime is 2090681. The reversal of 2090680 is 860902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26094 + ... + 26173.

2^2090680 is an apocalyptic number.

2090680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2090680 is an abundant number, since it is smaller than the sum of its proper divisors (2613440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2090680 is a wasteful number, since it uses less digits than its factorization.

2090680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52278 (or 52274 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2090680 is about 1445.9183932712. The cubic root of 2090680 is about 127.8681911384.

The spelling of 2090680 in words is "two million, ninety thousand, six hundred eighty".